<template>
	<view>
	<button @click="sc">123</button>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				cs:[{
					a:'123'
				},{
					a:'456'
				},{
					a:'789'
				}]
			}
		},
		methods: {
			
			sc(){
				this.cs=this.cs.pop(5,5)
				console.log(this.cs)
			}
		}
	}
</script>

<style>

</style>
